<?php

namespace app\api\model;

use app\common\controller\Push;
use think\Cache;
use think\Db;
use think\Model;

class RoomEmoji extends Model
{
    protected $table  = 'vs_room_emoji';
    protected $table_type = 'vs_room_emoji_type';
    private $redis;
    public function __construct()
    {
        parent::__construct();
        $this->redis = \think\Cache::store('redis')->handler();
    }
    //获取房间表情包类型
    public function getRoomEmojiType(){
        $list = db($this->table_type)->field('id,type_name')->where(['status'=>1,'deletetime'=>0])->select();
        return ['code' => 1, 'msg' => '创建成功', 'data' => $list];
    }

    //获取房间表情包
    public function getRoomEmoji($type_id=0,$pid=0, $isTree = false){
        $where = [];
        if($type_id){
            $where['type_id'] = $type_id;
        }
        if($pid!=""){
            $where['pid'] = $pid;
        }
        $list = db($this->table)
            ->field('id,pid,type_id,name,image,animate_image')
            ->where(['status'=>1,'deletetime'=>0])
            ->where($where)
            ->order('sort desc,id desc')
            ->select();
        if ($isTree && !empty($list) && empty($pid)) {
            $list = $this->buildTree($list);
        }
        return ['code' => 1, 'msg' => '成功', 'data' => $list];
    }

    /**
     * 将扁平数据转换为树状结构
     * @param array $data 数据列表
     * @param int $pid 父级ID
     * @return array
     */
    private function buildTree($data, $pid = 0)
    {
        $tree = [];
        foreach ($data as $item) {
            if ($item['pid'] == $pid) {
                $children = $this->buildTree($data, $item['id']);
                if (!empty($children)) {
                    $item['children'] = $children;
                }
                $tree[] = $item;
            }
        }
        return $tree;
    }
}